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$199+ Cheap flights from Duluth (DLH) to Kentucky

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SDF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Duluth to Kentucky

Keep the following information in mind while searching for Duluth to Kentucky flight deals. Data was last updated July 30, 2025.

Round-trip from

$238
(Delta)

Popular in

May

Cheapest in

January

Average price

$746
From Duluth Intl to Kentucky
Search Deals
Highest demand for flights based on searches. 42% potential increase in price ($360 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 20% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Duluth to Kentucky

Cheapest flights from Duluth to Kentucky
Explore the most affordable flight options available from Duluth to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:10 amDLH - SDF
1 stop5h 48mDelta
Tue 8/266:00 amSDF - DLH
1 stop5h 15mDelta
Deal found 7/29$238
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:10 amDLH - BNA
2 stops7h 53mDelta
Fri 9/126:00 amBNA - DLH
1 stop4h 07mDelta
Deal found 7/29$244
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:19 pmDLH - TYS
1 stop6h 36mDelta
Tue 9/166:40 amTYS - DLH
1 stop4h 27mDelta
Deal found 7/29$268
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:45 amDLH - BNA
1 stop6h 10mUnited Airlines
Wed 9/33:10 pmBNA - DLH
1 stop6h 55mUnited Airlines
Deal found 7/29$307
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:10 pmDLH - SDF
1 stop6h 14mUnited Airlines
Sun 9/79:05 amSDF - DLH
1 stop6h 30mUnited Airlines
Deal found 7/29$365
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/313:10 pmDLH - TYS
1 stop6h 27mUnited Airlines
Fri 9/57:25 pmTYS - DLH
2 stops16h 20mUnited Airlines
Deal found 7/30$403

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Kentucky that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Duluth to Kentucky that are best for you.

Fly from

Duluth

Fly to

Kentucky

Route

Depart

Return

Price

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 8/23

5:10 am-11:58 am

1 stop5h 48m

Louisville Intl

Tue 8/26

6:00 am-10:15 am

1 stop5h 15m

$238

DuluthNashville

DLH - BNA

DLHBNA

Duluth Intl

Fri 9/5

5:10 am-1:03 pm

2 stops7h 53m

Nashville Intl

Fri 9/12

6:00 am-10:07 am

1 stop4h 07m

$244

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Tue 9/9

4:19 pm-11:55 pm

1 stop6h 36m

Knoxville McGhee Tyson

Tue 9/16

6:40 am-10:07 am

1 stop4h 27m

$268

DuluthNashville

DLH - BNA

DLHBNA

Duluth Intl

Wed 8/27

9:45 am-3:55 pm

1 stop6h 10m

Nashville Intl

Wed 9/3

3:10 pm-10:05 pm

1 stop6h 55m

$307

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 9/4

3:10 pm-10:24 pm

1 stop6h 14m

Louisville Intl

Sun 9/7

9:05 am-2:35 pm

1 stop6h 30m

$365

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Sun 8/31

3:10 pm-10:37 pm

1 stop6h 27m

Knoxville McGhee Tyson

Fri 9/5

7:25 pm-10:45 am

2 stops16h 20m

$403

DuluthNashville

DLH - BNA

DLHBNA

Duluth Intl

Fri 11/14

4:20 pm-10:06 pm

1 stop5h 46m

$199

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Tue 8/5

3:03 pm-10:35 pm

1 stop6h 32m

$369

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Thu 8/7

5:15 am-3:07 pm

2 stops8h 52m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Duluth to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Kentucky
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kentucky. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Duluth to Kentucky. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Duluth to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Kentucky?

    For a flight from Duluth to Kentucky, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • What are the most popular routes from Duluth to Kentucky?

    While some choose either Duluth Intl - Louisville Intl or Duluth Intl - Knoxville McGhee Tyson, Duluth Intl - Nashville Intl is the most popular route from Duluth to Kentucky.

  • Can I find deals for flights from Duluth to Kentucky that include hotel bookings?

    Yes. In addition to deals on Duluth to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Kentucky.

  • Can I find deals for business class flights from Duluth to Kentucky?

    Yes. Cheapflights offers flight deals from Duluth to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from Duluth to Kentucky (average of $299). Flying from Duluth to Kentucky in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Duluth to Kentucky

Discover the top 2 airlines that operate flights from Duluth to Kentucky. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$377Average$534FlexibilityNo cancel feeOn-time69%

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